Changing the video background without using a green screen is possible with the use of advanced software and techniques. One method that is commonly used is the Chroma Key or the green screen technique, but it requires a lot of equipment and lighting setup. However, there are other methods that you can use to change the background of your video.
One of the techniques that you can use is called the difference keying. It works by selecting the background and removing it from the video footage. Then, you can add a new background to the video. This technique works best if the background is a solid color, preferably a shade that doesn't appear in the foreground.
Another technique that you can use is called the luma keying. This method works by selecting the brightness values of the video and removing the background based on the brightness level. Like the difference keying technique, you need to have a uniform background for it to work effectively.
Another alternative method is the use of object tracking. This technique works by tracking the movement of an object in the video and replacing the background behind it. This method requires a lot of computing power and specialized software, but it can be used for complex video projects.
There are also AI-powered software that can change the background of a video. These programs use machine learning algorithms to detect and remove the background from the video footage. Then, you can add a new background to the video using the software's built-in tools.
However, it's worth noting that changing the background of a video without a green screen can be challenging, and the results may not be as good as when using the green screen technique. Therefore, it's essential to use the appropriate techniques and software to achieve the desired results.
In conclusion, changing the background of a video without a green screen is possible with advanced software and techniques such as difference keying, luma keying, object tracking, and AI-powered software. Each of these techniques has its strengths and limitations, and you need to choose the most appropriate one for your specific video project. Always use reliable sources to ensure that you're using the right techniques and software to achieve the best results.